of course, he's his own full bro, only 1 year younger, though i read Hashim was also close to Ali, while Ali and Hamzah could not c eye to eye, don't know why, it could be a rumour, it must have to do with the time when Hamzah was a toddler, apple of his dad's eyes.

or maybe coz prince ali dont like queen noor, or there is a problem between queen noor and prince ali.